Sample information curated by ChIP-Atlas

Antigen

Antigen Class
TFs and others
Antigen
CTCF

Cell type

Cell type Class
Lung
Cell type
Calu-3
Primary Tissue
Lung
Tissue Diagnosis
Adenocarcinoma

Attributes by original data submitter

Sample

source_name
Calu3 CTCF rep2
cell line
Human lung adenocarcinoma cell line Calu3
chip antibody
Millipore 07‐729
growth media
DMEM + 10% FBS

Sequenced DNA Library

library_strategy
ChIP-Seq
library_source
GENOMIC
library_selection
ChIP
library_construction_protocol
Cells were lysed in lysis buffer (5mM PIPES pH 8.0, 85mM KCL, 0.5% NP-40, 1x Protease Inhibitor Cocktail (Roche)). Nuclei were isolated by centrifugation, lysed in RIPA buffer (1x PBS, 1% NP-40, 0.5% sodium deoxycholate, 0.1% SDS, Protease Inhibitor Cocktail), and sonicated. Protein-DNA complexes were isolated with antibodies. DNA ends were blunted using T4 DNA polymerase, Klenow DNA polymerase, and T4 polynucleotide kinase. Next, DNA was incubated with Klenow exo- to add 5' adenine overhangs. Multiplex adaptors were then ligated to the ends and converted to dsDNA using 5 cycles of PCR. DNA was size-selected to contain fragments between 200 and 300bp and PCR amplified for 5 cycles. DNA was purified with 1.2x AMPure XP beads. Sequencing was performed on an Illumina Hi-Seq.

Sequencing Platform

instrument_model
Illumina HiSeq 4000

hg38

Number of total reads
24031783
Reads aligned (%)
74.8
Duplicates removed (%)
35.2
Number of peaks
12016 (qval < 1E-05)

hg19

Number of total reads
24031783
Reads aligned (%)
74.1
Duplicates removed (%)
36.8
Number of peaks
12025 (qval < 1E-05)

Base call quality data from DBCLS SRA